{"draft":"draft-ietf-mpls-lsp-ping-reply-mode-simple-05","doc_id":"RFC7737","title":"Label Switched Path (LSP) Ping and Traceroute Reply Mode Simplification","authors":["N. Akiya","G. Swallow","C. Pignataro","L. Andersson","M. Chen"],"format":["ASCII","HTML"],"page_count":"17","pub_status":"PROPOSED STANDARD","status":"PROPOSED STANDARD","source":"Multiprotocol Label Switching","abstract":"The Multiprotocol Label Switching (MPLS) Label Switched Path (LSP)\r\nPing and Traceroute use the Reply Mode field to signal the method to\r\nbe used in the MPLS echo reply.  This document updates the procedures\r\nfor the \"Reply via Specified Path\" Reply Mode.  The value of this\r\nReply Mode is 5.  The update creates a simple way to indicate that\r\nthe reverse LSP should be used as the return path.  This document\r\nalso adds an optional TLV that can carry an ordered list of Reply\r\nMode values.","pub_date":"January 2016","keywords":["MPLS","LSP Ping","Reply Mode"],"obsoletes":[],"obsoleted_by":[],"updates":["RFC7110"],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC7737","errata_url":null}